

.content {
    height: 100%;
    min-height: 700px;
    min-width: 430px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: url('/src/assets/image/login.jpg') no-repeat;
    // background-size: cover;
    background-size:100% 100%;
    /*background: linear-gradient(0deg, rgba(46, 45, 47, 0.9) 0%, rgba(238, 232, 220, 0.9) 42%, rgba(61, 66, 67, 0.9) 100%);*/
  }
  
  .login_box {
    min-width: 400px;
    width: 30%;
    height: 60%;
    /*border: solid 1px black;*/
    border-radius: 20px;
    padding: 20px 0;
    background-color: white;
  }
  
  .rl_box {
    display: flex;
    justify-content: center;
    align-items: center;
  
  }
  
  .rl_video {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    /*background-color: rgb(38, 57, 57);*/
    position: relative;
  }
  
  .rl_video_ladding {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background-color: rgb(38, 57, 57);
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: white;
    animation: changeBg 5s infinite;
    position: relative;
  }
  
  .rl_video_ladding_video {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  
  }
  
  .rl_meng {
    width: 100px;
    height: 100px;
    background-color: rgb(78, 105, 105);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
  }
  
  
  
  
  
  
  @keyframes changeBg {
    0% {
      // background-image: url('图片地址');
      background-color: white;
    }
  
    25% {
      // background-image: url('图片地址');
      background-color: red;
    }
  
    50% {
      // background-image: url('图片地址');
      background-color: blue;
    }
  
    75% {
      // background-image: url('图片地址');
      background-color: green;
    }
  
    100% {
      // background-image: url('图片地址');
      background-color: red;
    }
  }